What are the advantages of using stripos() over regular expressions for filtering data in PHP?

Using stripos() is advantageous over regular expressions for filtering data in PHP because it is faster and more efficient for simple string matching tasks. Stripos() specifically checks for the existence of a substring within a string, making it ideal for scenarios where regular expressions are overkill. Additionally, stripos() is easier to understand and implement for developers who may not be familiar with the syntax and intricacies of regular expressions.

// Example of using stripos() to filter data
$data = "Hello, World!";
$substring = "hello";

if (stripos($data, $substring) !== false) {
    echo "Substring found in data!";
} else {
    echo "Substring not found in data.";
}